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Braeburn License (Details Textual) (USD $)
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3 Months Ended | 9 Months Ended | 1 Months Ended | 9 Months Ended | |||
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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Dec. 31, 2012
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Dec. 31, 2012
Collaborative Arrangement, Co-promotion [Member]
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Sep. 30, 2013
Collaborative Arrangement, Co-promotion [Member]
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| License and Services Revenue | $ 15,750,000 | ||||||
| License and Services Revenue Net | 15,000,000 | ||||||
| Milestone Payment | 15,000,000 | ||||||
| Estimated Revenue Recognition Period for Upfront Payment | 18 months | ||||||
| Licenses Revenue | 2,198,000 | 0 | 8,146,000 | 0 | 8,800,000 | ||
| Deferred Revenue Current | $ 6,228,000 | $ 6,228,000 | $ 14,375,000 | $ 6,200,000 | |||
| Maximum Receipt Time for Milestone Payment | 10 days | ||||||